Upstream Bio shares owned by BlackRock
Historical chart of BlackRock investment in Upstream Bio
Tip: Access up to 7 years of quarterly data
All positions including Upstream Bio held by BlackRock consolidated in one spreadsheet with up to 7 years of data
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Quarterly reported holdings in Upstream Bio by BlackRock
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $49M | 2.6M | 18.81 |
| 2025-06-30 | $23M | 2.1M | 10.98 |
| 2025-03-31 | $7.3M | 1.2M | 6.12 |
| 2024-12-31 | $18M | 1.1M | 16.44 |